Home / 40,414,822.85-55,772,477.93-21,829,962.90

Finding the Fourth Proportional to 40,414,822.85, 55,772,477.93 and 21,829,962.90

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Solution

The fourth proportional to 40,414,822.85, 55,772,477.93 and 21,829,962.90 is: 30,125,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414,822.85 : 55,772,477.93 = 21,829,962.90 : x
  2. Step 2: Convert to fraction form
    40,414,822.85/55,772,477.93 = 21,829,962.90/x
  3. Step 3: Cross multiply
    40,414,822.85x = 55,772,477.93 × 21,829,962.90
  4. Step 4: Simplify right side
    40,414,822.85x = 1,217,511,123,943,818.75
  5. Step 5: Solve for x
    x = 1,217,511,123,943,818.75/40,414,822.85
  6. Step 6: Final answer
    x = 30,125,360.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.